(Go) Duplicate openssl pkey -in private.pem -pubout -out pubkey.pem

How to output the public part of a private key: Demonstrates how to duplicate this OpenSSL command:

openssl pkey -in private.pem -pubout -out pubkey.pem

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    pkey := chilkat.NewPrivateKey()

    // Load the private key from an PEM file:
    success := pkey.LoadPemFile("private.pem")
    if success != true {
        fmt.Println(pkey.LastErrorText())
        pkey.DisposePrivateKey()
        return
    }

    pubKey := pkey.GetPublicKey()
    if pkey.LastMethodSuccess() == false {
        fmt.Println(pkey.LastErrorText())
        pkey.DisposePrivateKey()
        return
    }

    success = pubKey.SavePemFile(false,"pubKey.pem")
    if success != true {
        fmt.Println(pubKey.LastErrorText())
        pubKey.DisposePublicKey()
        pkey.DisposePrivateKey()
        return
    }

    fmt.Println("Success.")

    pubKey.DisposePublicKey()

    pkey.DisposePrivateKey()